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USB Color screen charging tester
Numerical control voltage Buck and boost power supply
Applicable model:XY-UMPD
Dear users, thank you for purchasing the USB color screen charging tester / USB
numerical control voltage Buck and boost power supply. In order to let you know all the
functions of this product faster, get a better use experience, and avoid misoperation,
please carefully read and keep this instruction before use, so that you can check it in the
future.